Widespread Severe Thunderstorm Threat in Southwestern Ontario Sunday With Timbit-Sized Hail and Damaging Winds Possible

After a few days of below-seasonal temperatures across Southern Ontario, with daytime highs making it feel more like early September, temperatures are back on the upswing over the next few days. The ...

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Southern Ontario Faces Strong Severe Storm Risk Tuesday With Damaging Winds, Toonie-Sized Hail and Tornadoes Possible

After an active storm day on Saturday brought a rare tornado warning to the Greater Toronto Area along with several reports of damaging winds, Southern Ontario is set to face another severe thundersto...

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GTA in the Bullseye as Southern Ontario Faces Significant Storm Risk With Tornadoes, Destructive Winds and Timbit-Sized Hail Possible Saturday

A potentially significant severe weather event is expected across much of Southern Ontario on Saturday as a strong cold front sweeps through the region. The greatest risk is focused on the Greater Tor...

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Potential Record-Breaking Heat to Fuel Severe Thunderstorm Threat Across Southern Ontario Tuesday

Dangerously hot temperatures are returning to Southern Ontario, bringing another multi-day heat wave to the region. This heat wave is expected to peak on Tuesday, when temperatures could climb into th...

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Severe Storm Risk Targets GTA and Southern Ontario Thursday With Damaging Winds Possible

With the return of more seasonal temperatures across Southern Ontario, the past week has been fairly quiet on the storm front. That has certainly been a noticeable change compared to the nearly daily ...

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Another Round of Damaging Storms Could Hit Southern Ontario Thursday With Tornado Risk Increasing

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Strong Severe Storm Risk Threatens Canada Day Across Southern Ontario, Damaging Winds and Isolated Tornadoes Possible

Hot and humid weather has arrived across Southern Ontario just in time for Canada Day, with temperatures soaring into the mid-to-upper 30s, with the humidex making it feel into the 40s. While many wil...

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🔴 LIVE | 🌪️ Tornado Risk: Ontario Severe Weather Coverage (Thu, Jun. 25, 2026)

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Southern Ontario Faces Severe Storm and Tornado Risk Thursday Ahead of Possible Canada Day Heatwave

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Powerful June Storm System Could Bring Damaging Winds and Isolated Tornadoes to Southern Ontario Overnight

An unusually strong and deepening low pressure system for mid-June is set to track through the Great Lakes region overnight Wednesday and into Thursday. This powerful system will bring the potential f...

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Tornado Tuesday Could Bring Damaging Storms to Southern Ontario With Strong Severe Threat

After an active, severe weather day on Monday that left widespread damage across parts of Central Ontario, especially throughout cottage country, another volatile day is shaping up across Southern Ont...

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Multi-Day Severe Storm and Tornado Risk Targets Southern Ontario Alongside Summer-Like Heat

Southern Ontario is about to get its first real taste of summer weather in 2026, and it’s arriving with a potentially stormy side effect. Temperatures are expected to soar into the upper 20s and even...

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Victoria Day to Bring Early Tease of Summer to Southern Ontario With 30°C Heat and Severe Storm Risk on Monday

After a chilly and wet start to May across Southern Ontario, it finally looks like summer is ready to make an appearance, just in time for the Victoria Day long weekend. The first half of the month h...

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Up to 5 to 10 cm of Snow and Wind Chills Near -15°C as ‘Third Winter’ Arrives in Southern Ontario This Week

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Large Hail and Isolated Tornado Risk on Tuesday for Southwestern Ontario and Golden Horseshoe With Widespread Severe Storm Threat

Southern Ontario faces the first widespread severe weather threat of 2026 on Tuesday, which is already underway as overnight storms carrying a flooding and hail risk developed around midnight. While ...

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Winter Crashes the First Day of Spring, Snow and Ice to Disrupt Friday Commute in Southern Ontario

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Winter Roars Back Across Southern Ontario Tuesday With Up to 30 cm of Snow and -20°C Wind Chills

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Up to 100 cm of Snow Possible as Blockbuster Winter Storm Targets Northern Ontario Starting Sunday With Blizzard Conditions and Ice Storm Risk

A powerful and complex storm system is set to impact Ontario beginning Sunday and continuing into early next week. While Southern Ontario will mainly deal with a messy mix of precipitation and rain fo...

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Winter Makes a Comeback Friday with Up to 15cm of Snow Possible Across Southern Ontario

While we started off the week with a taste of spring-like weather across Southern Ontario, with widespread double-digit temperatures and even readings soaring near 20°C in some areas, the end of the w...

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‘Snow Day’ Forecast: Blowing Snow Threat Friday May Give Some Southern Ontario Students an Early Start to March Break

Widespread snow is expected to move across Southern Ontario beginning late Friday morning and continuing throughout much of the afternoon and evening. While this will not be a major snowstorm, the com...

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‘Snow Day’ Forecast: Ice Storm Aftermath Could Keep School Buses Off the Roads Thursday in Parts of Central and Eastern Ontario

An ice storm has been impacting parts of Central and Eastern Ontario throughout the day on Wednesday, leaving thousands of residents without power. The number of outages is expected to continue climbi...

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Major Ice Storm Targeting Ottawa Area Wednesday, Up to 25mm of Freezing Rain Threatens Power Outages Across Central and Eastern Ontario

A complex weather story is set to unfold across Southern Ontario over the next 24 hours as cold and warm air clash across the region while a moisture-laden system moves through. The biggest impact wi...

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‘Snow/Ice Day’ Forecast: Widespread Bus Cancellations and School Closures Likely Wednesday for Ottawa, Eastern and Central Ontario Due to Significant Ice Storm

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Damaging Ice Storm Risk for Ottawa, Eastern and Central Ontario Tuesday Night Into Wednesday

Over the past few days, Southern Ontario has been treated to an early taste of spring-like weather. Temperatures soared well into the double digits across many areas, and some locations even managed t...

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Southern Ontario: ‘Snow Day’ Forecast for Tuesday, March 10, 2026

NOTE : We issue a ‘snow day’ forecast every school night, even when there is no chance. Our daily updates for the season will conclude on March 31st .

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Southern Ontario: Daily ‘Snow Day’ Forecast for Monday, March 9, 2026

NOTE : We issue a ‘snow day’ forecast every school night, even when there is no chance. Our daily updates for the season will conclude on March 31st .

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Southern Ontario Could Soar Near 20°C This Weekend as ‘March Melt’ Triggers Rapid Snowmelt, Flooding Risk and Thunderstorms

After what felt like a winter that would never end across Southern Ontario, our first widespread taste of spring-like weather is finally on the horizon just in time for the weekend. While parts of So...

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‘Snow Day’ Forecast: Freezing Rain Risk & Thick Fog on Friday May Give Some Students in Southern Ontario an Early Start to the Weekend

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